Question

The empirical rule about a normal distribution uses which percentages?


68, 95, 99.7


67, 95, 99


67, 95, 99.7


65, 95, 99.7

Answer 1

The empirical rule about a normal distribution uses the percentages **68, 95, 99.7**. This rule states that:

- Approximately 68% of the data falls within one standard deviation of the mean.
- About 95% falls within two standard deviations.
- About 99.7% falls within three standard deviations.

So the correct answer is **68, 95, 99.7**.